Exclude infraspecific names

taxonomy_species_idNameSynonym ofcurrent_taxonomy_species_idaisortsortacc
406497Pterocypsela raddeana (Maxim.) C. Shih Lactuca raddeana Maxim. 21357  Pterocypsela raddeana (Maxim.) C. Shih Lactuca raddeana Maxim.
406498Pterocypsela indica (L.) C. Shih Lactuca indica L. 21341  Pterocypsela indica (L.) C. Shih Lactuca indica L.
464416Pterocypsela triangulata (Maxim.) C. Shih Lactuca triangulata Maxim. 464415  Pterocypsela triangulata (Maxim.) C. Shih Lactuca triangulata Maxim.